Shot-sand separator
Technical field
The utility model relates to a kind of shot-blast apparatus, particularly a kind of shot-sand separator that is applied in the shot-blast apparatus.
Background technology
Shot-blasting machine (shot blasting machine), the Casting Equipment of cast(ing) surface is cleared up or strengthened to the high speed bullet that utilizes impeller head to dish out.The ball blast function is carried out knockout to foundry goods simultaneously and is decored and clear up.
Shot-blast apparatus at first is applied to the surperficial scab of foundry industry cast steel, ironcasting and the removing of oxide skin.Nearly all steel-casting, grey foundry goods, malleable iron component, magnesium iron spare etc. all will carry out Shot Blasting.This is not only in order to remove cast(ing) surface oxide skin and scab, it simultaneously also is indispensable preparatory process before casting quality is checked, such as large-scale gas-turbine casing carrying out carrying out strict throwing blast cleaning before the nondestructive inspection, to guarantee the reliability of result of detection.In general castings production, throw blast cleaning and be the requisite process means of finding casting surface defect such as subcutaneous blowhole, cinder hole and scab, cold shut, peeling etc.Non-ferrous casting, removing surface as aluminium alloy, copper alloy etc., except that the blemish of descaling, discovery foundry goods, main purpose is to throw the surface quality that shot-peening is removed the burr of die casting and obtained to have the decoration meaning, acquisition resultant effect.
According to modern metal strength theory, increase the dislocation density of metal inside, be the main direction that improves metal strength.Facts have proved that ball blast is the effective process that increases the metal dislocation structure.This can not or realize by transformation hardening (as marquench etc.) requiring the more further workpiece of reinforcement on the basis of transformation hardening to some metals, has more crucial meaning.Parts such as aviation, aerospace industry, automobile, tractor require lighting, but reliability requirement is more and more higher, and its important process measure is exactly to adopt to throw intensity and the fatigue strength that shot-blast process improves member.
Shot-sand separator in the shot-blast apparatus is used for the pill-sand mixture through impeller head is separated, and makes bullet, waste material and mixture fall into different passages respectively, and pure qualified bullet enters hopper through predetermined pipeline, reuses for impeller head.
In view of this, the artificial deficiency that solves in the existing ball blast technology of design of the present utility model, based on the research and development of association area, and through constantly test and improvement, and then generation of the present utility model is arranged.
Summary of the invention
The purpose of this utility model is to provide a kind of roller-way through type shot-blast cleaning machine, and it can separate pill-sand mixture effectively, makes pure bullet after the separation enter impeller head and reuses.
For reaching above-mentioned purpose, the utility model provides a kind of shot-sand separator, and it comprises:
The Disengagement zone;
Conveying worm, its part is stretched out described Disengagement zone, on the shell of this extension of conveying worm charging aperture is installed, and another part of described conveying worm is positioned at the Disengagement zone;
Decelerator, it is fixed on the outside of Disengagement zone, and the output of decelerator is connected with conveying worm;
The mouth of giving a dinner for a visitor from afar, the one end is connected with the Disengagement zone, and the air port direction of giving a dinner for a visitor from afar mouthful is perpendicular with the transmission direction of conveying worm, and the other end of the mouth of giving a dinner for a visitor from afar is connected with cleaner;
Hopper is connected the below of described Disengagement zone;
Pipe clamp is installed on the bottom of hopper.
Described shot-sand separator, wherein, the quantity of the described mouth of giving a dinner for a visitor from afar is at least one.
Described shot-sand separator, wherein, described quantity of giving a dinner for a visitor from afar mouth is two.
Described shot-sand separator, wherein, described pipeline junction of giving a dinner for a visitor from afar mouthful with cleaner also is provided with the air quantity regulator.
The beneficial effects of the utility model are: utilize gravity selection by winnowing principle, the bullet in the stream curtain is effectively separated with burning skin fragment, broken bullet and dust, waste material is from mouthful outflow of giving a dinner for a visitor from afar, and bullet enters hopper and circulates.Good separating effect, after the separation, sand content<1% in the pure qualified bullet, qualified bullet amount<1% in the waste material, the separative efficiency of separator can reach 99%.
Description of drawings
Fig. 1 is the front view of a kind of shot-sand separator of the utility model;
Fig. 2 is the vertical view of a kind of shot-sand separator of the utility model;
Fig. 3 is the side view of a kind of shot-sand separator of the utility model.
Description of reference numerals: 1-shot-sand separator; The 11-conveying worm; The 12-Disengagement zone; The 13-hopper; The 14-mouth of giving a dinner for a visitor from afar; The 15-pipe clamp; The 16-decelerator; The 17-charging aperture.
The specific embodiment
About the utility model is the application target that reaches above-mentioned and effect and the technological means that adopted, now enumerate preferable feasible embodiment, and shown in the conjunction with figs., details are as follows:
As Fig. 1, Fig. 2 and shown in Figure 3, be respectively front view, vertical view and the side view of a kind of shot-sand separator of the utility model.Wherein, described shot-sand separator 1 is to adopt BE type curtain-type structure, and it mainly comprises: conveying worm 11, Disengagement zone 12, hopper 13, give a dinner for a visitor from afar mouth 14, pipe clamp 15 and decelerator 16.
Wherein, the part of described conveying worm 11 is stretched out Disengagement zone 12, and charging aperture 17 is installed on the shell of this extension of conveying worm 11, and the pill-sand mixture of process impeller head is entered in the shell of conveying worm 11 by this charging aperture 17; Another part of described conveying worm 11 is positioned at Disengagement zone 12, and described pill-sand mixture enters into Disengagement zone 12 through after the conveying of conveying worm 11.
Described decelerator 16 is fixed on the outside of Disengagement zone 12, and the output of decelerator 16 is connected with conveying worm 11, is used to drive conveying worm 11 to carry pill-sand mixture.
A described end of giving a dinner for a visitor from afar mouth 14 is connected with Disengagement zone 12, and the transmission direction of the air port direction of the mouth 14 of giving a dinner for a visitor from afar and conveying worm 11 is perpendicular.Mouthfuls 14 the quantity of giving a dinner for a visitor from afar is at least one (being two in the present embodiment).The other end of giving a dinner for a visitor from afar mouthful is connected with cleaner.Because the employed cleaner of the utility model is well known to those skilled in the art, so do not repeat them here.
The below of described Disengagement zone 12 is connected with hopper 13, and the bottom of hopper 13 is equipped with pipe clamp 15, is used for the qualified bullet of releasing pure.
In the course of work, pill-sand mixture is sent to Disengagement zone 12 uniformly through feeding screw conveyer 11, cleaner mouthfuls 14 provides wind-force to Disengagement zone 12 by giving a dinner for a visitor from afar, thereby the horizontal gas flow that forms uniform ball sand flow curtain and pass 4-5m/s carries out the ball sand separation, bullet is different by its proportion with waste material, fall into passage separately respectively, pure ball material falls into hopper 13, reuse for impeller head by opening pipe clamp 15 releasing pure ball material, fine dust is inhaled into cleaner by the mouth 14 of giving a dinner for a visitor from afar, clean gas after the purified treatment is discharged in the air, the collection that is captured of particle dust.
Described pipeline junction of giving a dinner for a visitor from afar mouth 14 and cleaner also can be provided with air quantity regulator (not shown), by blast regulator is adjusted to suitable location, to obtain better ball sand separation effect.
Shot-sand separator of the present utility model utilizes gravity selection by winnowing principle, and the bullet in the stream curtain is effectively separated with burning skin fragment, broken bullet and dust, and waste material is from mouthful outflow of giving a dinner for a visitor from afar, and bullet enters hopper and circulates.
To sum up, shot-sand separator of the present utility model, good separating effect, after the separation, sand content<1% in the pure qualified bullet, qualified bullet amount<1% in the waste material, the separative efficiency of separator can reach 99%.
More than be illustrative to description of the present utility model; and it is nonrestrictive; those skilled in the art is understood, and can carry out many modifications, variation or equivalence to it within spirit that claim limits and scope, but they will fall in the protection domain of the present utility model all.